Proton therapy is used as a treatment for cancer and some noncancerous tumors. Proton therapy may be used as the only treatment for your condition. Or it may be used in conjunction with other treatments, such as surgery and chemotherapy.

Proton therapy is sometimes used to treat certain conditions, such as:

Brain tumors

Cancer in children

Esophageal cancer

Eye melanoma

Head and neck cancers

Liver cancer

Lung cancer

Prostate cancer

Rectal cancer

Tumors affecting the spine

Tumors in the base of the skull

Clinical trials are investigating proton therapy as a treatment for other cancers, such as:

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